Siemens S7 200 PLC high-speed counter (HC)

        High-speed counter for frequencies above scan cycle external signals are counted, using a dedicated high-speed counter terminals of the host to receive these high-speed signals. High-speed counter is a high-speed event counting, it is independent of the CPU scan, the data for the current value of high-speed 32-bit signed calculator.


HC [high-speed counter number] For example: HC1